250kVA 1000kVA Dry Type Cast Resin Three-Phase Step-Down Electric Power Distribution and Transmission Transformer 1250kVA 2000kVA

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Three
• Model NO.: SCB
• Cooling Method: Dry-type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Sinm
• Warranty: 2 Years
• Use: Power
• Input Voltage: 10kv/6.3kv/6kv
• Material: Aluminum or Copper
• Rated Capacity: 30-3000kVA
• Name: Electronic Power Transformer
• Coil Number: Autotransformer
• Type: Cast Resin Dry
• Coil Structure: Toroidal
• Product Name: Power Distribution Transformer
• Rated Voltage: 10kv 11kv 20kv 33kv 35kv
• Frequency: 50
• Output Voltage: 24V 48V 60V 120V 240V 400V
• Trademark: sinm
• Origin: Zhejiang, China
• Production Capacity: 5000pieces

Product Description

SCB series dry type transformers refer to transformers in which the core and windings are not immersed in insulating oil. The cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). When natural air cooling, the transformer can run continuously for a long time under the rated capacity. When forced air cooling, the output capacity of the transformer can be increased by 50% in short time. It is suitable for intermittent overload operation or emergency accident overload operation; due to the large increase in load loss and impedance voltage during overload, it is in an uneconomic operation state, so it should not be kept in continuous overload operation for a long time.

1.Power Capacity: 30-16000KVA

2.Voltage Level: 10KV,20KV,35KV or Others

3.Type of Voltage Regulation: Off-circuit or On-Ioad

4.Tapping Range: ±5 %  ±2x2.5 % ±4x2.5 %

5.Frequency: 50Hz or 60Hz

6.Phases: Three or Single

7.Connection Symbol: Dyn11,Yyn0 ( or as requested)

8.Short- circuit Impedance:  Standard Impedance

9.Maxmun Temperature Rise: 100K

10.Insulation Class:Class F or H

11.Protection Class:IP00/IP20/IP23/IP40/IP50

12.Altiude is not exceeding 1000m,ambient temperature not exceeding 40OC. If it can't meet such conditions,we will modulate parameters in accordance with standard.

 

Dry Type Power Transformer Features:
Since epoxy resin is a non-flammable, flame-retardant, self-extinguishing solid insulating material, safe and clean, epoxy resin cast dry-type transformers are oil-free, non-flammable, and have low operating loss, strong short-circuit resistance, less maintenance work, high working efficiency, small volume and low noise. It is often used in places with high performance requirements such as fire prevention and explosion protection, and has the following practical characteristics:
1.It is safe, fireproof, pollution-free, and can be directly operated in the load center;
2.High mechanical strength, strong short-circuit resistance, small partial discharge, good thermal stability, high reliability and long service life;
3.Low loss, low noise, obvious energy saving effect, maintenance-free;
4.Good heat dissipation performance, and capacity operation can be increased in short time when forced air cooling;
5.Good moisture resistance;
6.Dry-type transformers can be equipped with a complete temperature detection and protection system. Using intelligent signal temperature control system, it can automatically detect and display the respective operating temperatures of the three-phase windings, can automatically start and stop the fan, and have functions such as alarms and trips. IS485 communication interface can be installed to realize wireless detection and intelligent management.
7.Small size, light weight, less space and low installation cost.

 

Dry Type Power Transformer Standard:
IEC60076, GB/T1094.11, GB/T17211.

Dry Type Power Transformer Applicable Environment:
1.0-40 (ºC), relative humidity <70%;
2.Altitude: no more than 2500 meters;
3.Avoid rain, humidity, high temperature, high heat or direct sunlight. 
4.Prevent working in places where there are more corrosive liquids, or gases, dust, conductive fibers or metal fines;
5.Prevent working in vibration or electromagnetic interference places;
6.Avoid long-term storage and transportation upside down, and avoid strong impact.
 

Dry Type Power Transformer Technical Parameter:

Model	Rated capacity (KVA)	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
			High-	Tapping range	Low-
			voltage		voltage
SC(B)10-30	30	Yyn0	11	±5%	0.4	190	710	2.4	4
SC(B)10-50	50	or	10.5	±2×2.5%		270	1000	2.4
SC(B)10-80	80	Dyn11	10			370	1380	1.8
SC(B)10-100	100		6.3			400	1570	1.8
SC(B)10-125	125		6			470	1850	1.6
SC(B)10-160	160					550	2130	1.6
SC(B)10-200	200					630	2530	1.4
SC(B)10-250	250					720	2760	1.4
SC(B)10-315	315					880	3470	1.2
SC(B)10-400	400					980	3990	1.2
SC(B)10-500	500					1160	4880	1.2
SC(B)10-630	630					1350	5880	1
SC(B)10-630	630					1300	5960	1	6
SC(B)10-800	800					1520	6960	1
SC(B)10-1000	1000					1770	8130	1
SC(B)10-1250	1250					2090	9690	1
SC(B)10-1600	1600					2450	11730	1
SC(B)10-2000	2000					3050	14450	0.8
SC(B)10-2500	2500					3600	17170	0.8
SC(B)10-1600	1600					2450	12900	1	8
SC(B)10-2000	2000					3050	15890	0.8
SC(B)10-2500	2500					3600	18890	0.8

Basic structure of dry-type transformer
1. Iron core: stacked by silicon steel sheet, is the magnetic circuit part of the transformer, used to guide the magnetic flux.
2. Winding: divided into high-voltage winding and low-voltage winding, respectively wound on the iron core, used to realize the conversion and transmission of electric energy.
3. Insulating cylinder: placed between high and low voltage coils, used to increase electrical insulation and ensure the safe operation of the transformer.
4. pads: used to support and restrain the coils to maintain their stability and shape.
5. Fasteners: used to connect and fix each part of the transformer, with anti-loosening performance.

 

 

1. Are you manufacturers ?
 We are a professional factory with 10 years experience in the field of High and low Voltage switch-gears,
Substation,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.

2. Do you accept customized serveice ?
We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied project according to your drawing and parameters

3. What is your terms of payment ?
T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and pack-ages before you pay the balance.

4. Can your product be customerized ?
Considering differences in voltage. frequency and other speciality of transformer product in different countries and regions,our product can be customerized according to your requirements.

5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make asatisfied soluton within 1 days .